Lumia 640 4G LTE Smartphone, 6764A with 8GB Memory Cell GoPhone - Black - Compatible with Microsoft Nokia 8.1 Phones -Carrier Locked to AT&T Wireless.
Dual SIM on the Lumia 640 XL makes it easier to manage your busy life. You can have two separate phone and messaging tiles. If you'd prefer, you could link both ...
Microsoft Lumia 640 XL Dual SIM - Specifications ; Display: 5.7 in, IPS, 720 x 1280 pixels, 24 bit ; Battery: 3000 mAh, Li-Ion ; OS: Microsoft Windows Phone 8.1
The Microsoft Lumia 640 is a Dual SIM smartphone with a 5.7inch HD display, and comes with a Qualcomm Snapdragon 400 processor for faster multitasking ...